Linux System Administrator

Role OverviewWe are looking for a Linux Engineer with strong expertise in Red Hat Enterprise Linux (RHEL) and Identity Management (IdM) to manage centralized authentication, access control, directory services, and secure identity operations across Linux systems.Key ResponsibilitiesInstall, configure, and maintain Red Hat Identity Management (IdM) / FreeIPA.Manage identity lifecycle: users, groups, roles, sudo rules, HBAC policies.Configure and troubleshoot SSSD, LDAP, Kerberos, and PAM authentication.Integrate Linux servers with Active Directory using trusts or SSSD.Manage DNS, certificates (Dogtag CA), and multi-master replication within IdM.Join and enroll Linux hosts into the IdM domain.Automate identity operations using Ansible and shell scripting.Troubleshoot authentication/login issues across servers and applications.Work closely with security and platform teams to enforce IAM/IAP policies.Required SkillsStrong RHEL/Linux administration skills.Hands-on experience with RedHat IdM / FreeIPA.Deep understanding of LDAP, Kerberos, SSSD, DNS, and PKI.Experience integrating Linux with AD.Shell scripting; Ansible automation experience.Good to HaveExposure to Okta, Azure AD, Keycloak, or other IAM platforms.Cloud (AWS/Azure/GCP) experience.Security hardening knowledge.Note: One technical round is mandatory to be taken either from Baner, Pune or Bellandur, Bangalore office.